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C

Chisom Nweke

Certified Data Analyst & AI Training Specialist

Nigeria flagAnambra, Nigeria
$20.00/hrIntermediateLabel StudioCVATAws Sagemaker

Key Skills

Software

Label StudioLabel Studio
CVATCVAT
AWS SageMakerAWS SageMaker
EncordEncord
SuperAnnotateSuperAnnotate

Top Subject Matter

Customer support AI
Sentiment modeling
Natural Language Processing

Top Data Types

TextText

Top Task Types

Emotion Recognition
Classification

Freelancer Overview

Detail-oriented Mass Communication professional, Certified Data Analyst and AI Training Specialist specializing in high fidelity AI Data Labelling and Sentiment Modelling. I bring a strong foundation in editorial research and linguistic analysis allowing me to evaluate complex text data with high precision and maintain 99%+ data integrity in supervised learning projects. I am proficient in using SQL and Excel for data validation and Freshdesk for trend monitoring. My goal is to leverage my unique blend of communications expertise and technical data skills to contribute to high quality RLHF, Intent Recognition, and Text classification projects that improve the accuracy and safety of AI models.

IntermediateEnglishIgboHausa

Labeling Experience

AI Data & Customer Insights Intern

TextClassification
I categorized and labeled complex customer feedback datasets to enhance the emotional intelligence of automated support systems. I identified and tagged recurring trends and patterns using business data tools. I contributed to supervised learning efforts to improve sentiment modeling in the context of customer service AI systems. • Conducted fine-grained sentiment annotation and categorization. • Utilized SQL and Excel for supporting data transformation and integrity checks. • Leveraged Freshdesk to monitor, evaluate, and label support queries. • Focused on emotion recognition and trend analysis in customer text data.

I categorized and labeled complex customer feedback datasets to enhance the emotional intelligence of automated support systems. I identified and tagged recurring trends and patterns using business data tools. I contributed to supervised learning efforts to improve sentiment modeling in the context of customer service AI systems. • Conducted fine-grained sentiment annotation and categorization. • Utilized SQL and Excel for supporting data transformation and integrity checks. • Leveraged Freshdesk to monitor, evaluate, and label support queries. • Focused on emotion recognition and trend analysis in customer text data.

2026 - 2026

Education

S

Saint Louis University

Digital Badge, Customer Insights and Data Analytics

Digital Badge
2026 - 2026
W

Webstack ICT Global, Awka, Anambra State

Certificate in Data Analysis, Data Analysis

Certificate in Data Analysis
2025 - 2026

Work History

D

Delta Broadcasting Service

Information Management and Sound Operations Officer

Asaba
2024 - 2025
N

National Light Newspaper

Editorial and Fact-Checking Intern

Awka
2021 - 2022